81251651

素因数分解:

${\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{1193}}^1$

素因数の和:1263

約数の個数: 16

約数和(自身を含む): 90935040

約数和(自身を除く): 9683389

約数列:

[1, 13, 31, 169, 403, 1193, 2197, 5239, 15509, 36983, 68107, 201617, 480779, 2621021, 6250127, 81251651]

約数ペア:

[(1, 81251651), (13, 6250127), (31, 2621021), (169, 480779), (403, 201617), (1193, 68107), (2197, 36983), (5239, 15509)]